EP1993168A3 - Crossed dual tag and RFID system using the crossed dual tag - Google Patents

Crossed dual tag and RFID system using the crossed dual tag Download PDF

Info

Publication number
EP1993168A3
EP1993168A3 EP08103626A EP08103626A EP1993168A3 EP 1993168 A3 EP1993168 A3 EP 1993168A3 EP 08103626 A EP08103626 A EP 08103626A EP 08103626 A EP08103626 A EP 08103626A EP 1993168 A3 EP1993168 A3 EP 1993168A3
Authority
EP
European Patent Office
Prior art keywords
dipole antenna
crossed
tag
dual tag
crossed dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08103626A
Other languages
German (de)
French (fr)
Other versions
EP1993168B1 (en
EP1993168A2 (en
Inventor
Manabu c/o FUJITSU LIMITED Kai
Toru c/o FUJITSU LIMITED Maniwa
Takashi c/o FUJITSU LIMITED Yamagajo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of EP1993168A2 publication Critical patent/EP1993168A2/en
Publication of EP1993168A3 publication Critical patent/EP1993168A3/en
Application granted granted Critical
Publication of EP1993168B1 publication Critical patent/EP1993168B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength

Abstract

A crossed dual tag(10) includes two tags(1a, 1b) each of which comprises, on one plane, a dipole antenna(2) formed with conductors, a feeding part(3) to which an IC chip(5) is connected at the center of the dipole antenna(2), and a loop-shaped inductance part(4a,4b) that is formed between the dipoles(6,6) of the dipole antenna(2) and connected to the dipoles(6,6) of the dipole antenna(2) in parallel with respect to the feeding part(3). The two tags(1a,1b) are crossed at right angles, and stacked to contact each other as closely as possible so that the loops of the inductance parts(4a,4b) overlap as much as possible. A reader/writer of an RFID system sequentially switches the surface of a circular polarized wave of a wireless signal between forward and backward directions, and reads information written to a user memory area from the tag(1a,1b) that responds more strongly.
EP08103626.1A 2007-05-09 2008-04-21 Crossed dual tag and RFID system using the crossed dual tag Expired - Fee Related EP1993168B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007125055A JP4806373B2 (en) 2007-05-09 2007-05-09 Tag device and RFID system using the same

Publications (3)

Publication Number Publication Date
EP1993168A2 EP1993168A2 (en) 2008-11-19
EP1993168A3 true EP1993168A3 (en) 2009-06-24
EP1993168B1 EP1993168B1 (en) 2013-11-13

Family

ID=39713718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08103626.1A Expired - Fee Related EP1993168B1 (en) 2007-05-09 2008-04-21 Crossed dual tag and RFID system using the crossed dual tag

Country Status (6)

Country Link
US (1) US8022886B2 (en)
EP (1) EP1993168B1 (en)
JP (1) JP4806373B2 (en)
KR (1) KR100984429B1 (en)
CN (1) CN101303747B (en)
TW (1) TWI350613B (en)

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KR100978271B1 (en) * 2008-04-01 2010-08-26 엘에스산전 주식회사 Rfid tag using internal antenna and rfid system using the same
JP5163506B2 (en) * 2009-01-14 2013-03-13 三菱電機株式会社 Animal ear tag RFID tag
US20100207831A1 (en) * 2009-02-18 2010-08-19 Wu Huei-Chi Loop Dipole Antenna Module
US8446398B2 (en) 2009-06-16 2013-05-21 Intel Corporation Power conservation for mobile device displays
US9092069B2 (en) 2009-06-16 2015-07-28 Intel Corporation Customizable and predictive dictionary
US8254957B2 (en) * 2009-06-16 2012-08-28 Intel Corporation Context-based limitation of mobile device operation
US8776177B2 (en) 2009-06-16 2014-07-08 Intel Corporation Dynamic content preference and behavior sharing between computing devices
US8886119B2 (en) * 2011-02-02 2014-11-11 Nxp B.V. Coordinating multiple contactless data carriers
JP5263365B2 (en) * 2011-10-12 2013-08-14 カシオ計算機株式会社 Multi-frequency circularly polarized antenna
WO2013096995A1 (en) * 2011-12-29 2013-07-04 Ps&D Pty Ltd Improvements in rfid tags
TWI502812B (en) * 2012-07-24 2015-10-01 Univ Nat Kaohsiung Marine Dual polarized antenna
JP5609962B2 (en) * 2012-12-10 2014-10-22 三菱電機株式会社 Animal ear tag RFID tag
KR101494148B1 (en) 2013-05-14 2015-02-23 임은석 Parallel antenna and tag with the parallel antenna
JP6079520B2 (en) * 2013-09-12 2017-02-15 凸版印刷株式会社 Non-contact IC label
JP6106138B2 (en) * 2014-09-02 2017-03-29 東芝テック株式会社 Radiated radio wave detector
GB2532727A (en) * 2014-11-25 2016-06-01 Huang Yi A compact multiband circular-polarization cross-dipole antenna
JP6477310B2 (en) * 2015-07-09 2019-03-06 株式会社オートネットワーク技術研究所 Clamp and electric wire with clamp
DE102015117712A1 (en) 2015-10-16 2017-04-20 Friedrich-Alexander-Universität Erlangen-Nürnberg Imaging polarimetry
DE102016213330A1 (en) 2016-07-21 2018-03-08 Friedrich-Alexander-Universität Erlangen-Nürnberg Method for locating a mobile object and transponder for this purpose
CN106295781B (en) * 2016-09-22 2023-06-16 南京信息工程大学 RFID (radio frequency identification) tag and senior citizen incontinence monitoring system based on RFID tag
CN106816697B (en) * 2016-12-26 2020-02-21 上海交通大学 UHF broadband circularly polarized handheld terminal antenna with low profile
CN106887687A (en) * 2017-03-25 2017-06-23 韶关学院 Supermarket's commodity electronic labeling Symmetric Orthogonal folding line element antenna and its application method
CN107392293B (en) * 2017-06-09 2024-02-13 国网浙江省电力公司宁波供电公司 Pipeline inspection tag based on RFID
JP7123641B2 (en) 2018-06-07 2022-08-23 株式会社東芝 chip antenna
CN108958063B (en) * 2018-11-02 2019-01-29 常州普纳电子科技有限公司 A kind of intelligent household management system
GB201902620D0 (en) * 2019-02-27 2019-04-10 Secr Defence Dual polarised planar antenna, base station and method of manufacture
CN110233327B (en) * 2019-05-28 2021-01-15 北京星网锐捷网络技术有限公司 UHF RFID reader antenna and switching method
KR102529052B1 (en) * 2019-06-12 2023-05-03 삼성전기주식회사 Antenna apparatus
SE543837C2 (en) * 2019-12-16 2021-08-10 Stora Enso Oyj RFID tag arrangement with omnidirectional antenna characteristics
JP7437284B2 (en) 2020-10-26 2024-02-22 株式会社京三製作所 ground child

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US20020109636A1 (en) * 2001-01-16 2002-08-15 Johnson Daniel L. Omnidirectional RFID antenna
EP1370007A2 (en) * 2002-06-05 2003-12-10 Kabushiki Kaisha Toshiba Radio card
US20050040994A1 (en) * 2003-08-22 2005-02-24 Checkpoint Systems, Inc. Security tag with three dimensional antenna array made from flat stock
EP1703589A1 (en) * 2005-03-17 2006-09-20 Fujitsu Ltd. Tag antenna
US20060208900A1 (en) * 2005-01-19 2006-09-21 X-Ether, Inc. Rfid antenna

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Patent Citations (5)

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US20020109636A1 (en) * 2001-01-16 2002-08-15 Johnson Daniel L. Omnidirectional RFID antenna
EP1370007A2 (en) * 2002-06-05 2003-12-10 Kabushiki Kaisha Toshiba Radio card
US20050040994A1 (en) * 2003-08-22 2005-02-24 Checkpoint Systems, Inc. Security tag with three dimensional antenna array made from flat stock
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EP1703589A1 (en) * 2005-03-17 2006-09-20 Fujitsu Ltd. Tag antenna

Also Published As

Publication number Publication date
CN101303747A (en) 2008-11-12
CN101303747B (en) 2011-05-18
US8022886B2 (en) 2011-09-20
JP4806373B2 (en) 2011-11-02
US20080291106A1 (en) 2008-11-27
EP1993168B1 (en) 2013-11-13
TW200849715A (en) 2008-12-16
KR20080099799A (en) 2008-11-13
EP1993168A2 (en) 2008-11-19
KR100984429B1 (en) 2010-09-30
JP2008283404A (en) 2008-11-20
TWI350613B (en) 2011-10-11

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